This inventor holds 13 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Global Storage Technologies Japan, Ltd.. Active years: 1994-2007.
Company Filing History:
11 out of 42,719 
2 out of 227 
Years Active: 1994-2007
Title: The Innovative Contributions of Youichi Inomata
Introduction
Youichi Inomata is a prominent inventor based in Odawara, Japan. He has made significant contributions to the field of magnetic disk technology, holding a total of 13 patents. His work has been instrumental in advancing the performance and reliability of magnetic storage devices.
Latest Patents
Inomata's latest patents include a glass substrate for a magnetic disk, which is designed to enhance the stability and texture of magnetic disks. This innovative substrate contains a transition metal and is subjected to zone texturing through laser irradiation. As a result, it exhibits high mechanical strength without the need for chemical strengthening. The glass substrate has a transmittance of 10% or less for light in the wavelength range of 300 to 2000 nm, and the surface roughness of the information recording surface is 2.0 nm or less. Additionally, the substrate may also include a rare earth metal element, further enhancing its properties.
Career Highlights
Throughout his career, Inomata has worked with notable companies such as Hitachi, Ltd. and Hitachi Global Storage Technologies Japan, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in magnetic disk technology.
Collaborations
Inomata has collaborated with esteemed colleagues, including Hiroshi Yashiki and Yoshiki Kato. Their combined expertise has contributed to the successful development of advanced technologies in the field.
Conclusion
Youichi Inomata's contributions to magnetic disk technology have had a lasting impact on the industry. His innovative patents and collaborations with leading companies and colleagues highlight his role as a key figure in advancing storage technology.